Seiko Cal. 5645 - 311

This Hand-Winding model from 1971 features a 39mm PVD Black case. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-d38584dcb64a]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1971

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